id:A034164 - OEIS Search Results

Search: id:A034164

Displaying 1-1 of 1 results found.

page 1

Related to triple factorial numbers 2*A034000(n+1).

+0
6

1, 5, 30, 198, 1386, 10098, 75735, 580635, 4528953, 35819901, 286559208, 2314516680, 18846778680, 154543585176, 1274984577702, 10574872085646, 88123934047050, 737458184920050, 6194648753328420, 52212039492339540 (list; graph; listen)

	OFFSET	`0,2`
	FORMULA	`a(n) = 3^n(3n+2)!!!/(n+2)!, (3n+2)!!!=2A034000(n+1); G.f.: (1-3x-(1-9x)^(1/3))/(3*x)^2.`
	CROSSREFS	`Cf. A034000, A004990, A025748.` `Sequence in context: A059273 A038744 A098663 this_sequence A103433 A081015 A090139` `Adjacent sequences: A034161 A034162 A034163 this_sequence A034165 A034166 A034167`
	KEYWORD	`easy,nonn`
	AUTHOR	`Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de)`

page 1

Search completed in 0.002 seconds

Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

AT&T Labs Research